leaves of the plant were damaged due to animal feeding, do you consider it a diseased plant already? Explain.

Q: Root nodules contain ________ , which can _____________ .a. Azotobacter, fix N2b. Nitrosomonas,…

A: The plant requires 17 essential elements for the completion of its life cycle and for the plant…

Q: Micropropagation can be achieved by (A) Self-pollination (B) Asexual reproduction (C) Tissue culture…

A: The clonal propagation of plants in closed vessels under aseptic conditions is known as…

Q: The Irish potato famine was an important historical event that occurred in the 1840’s. The Irish…

A: Microbiology is the study of microorganisms that are invisible to the naked eye. The microorganisms…

Q: Give the scientific name of a plant which came to India as a contaminant with imported wheat and…

A: Commonly known as, carrot grass is a plant that produces allelopathic chemical responsible for the…

Q: These are roots that connect to the host plant and serves as channels for nutrient flow.

A: There are various associations in the plants that sometimes causes harm to the plants, sometimes…

Q: What do plant pathogens and parasite have in common?

A: Plant pathogens are those cause disease in plants.examples include Bacteria, Protozoa,Fungi etc.…

Q: Which of the following statements best describes what is depicted in the above image? The leaf in…

A: Q. The correct option is B i.e, The leaf in the image an example of a plant defence known as…

Q: When dig up a plan to move it from one spot to another,the plants is more likely to survive if some…

A: When a plant moved from the place to another place more likely to survive if roots have some of the…

Q: The rhizosphere is: Group of answer choices A.) an area 1-2 mm in thickness adjacent to the root.…

A: It is the type of close and long term biological interaction between two different biological…

Q: A group of researchers run an experiment to determine the effect of mycorrhizae (a fungus) on plant…

A: The variables are the parameters that are changed and have different values at different conditions…

Q: Whichof the following is NOT an agent of nitrogen fixation?a.Mycorrhizal fungib.Cyanobacteria…

A: Nitrogen is an essential element required for all living organisms. It is a constituent of various…

Q: In a clinical laboratory we are interested in recovering a pathogenic fungus. What is the middle of…

A: Fungi are an industrially important yet understudied category of creatures. The fungus has evolved a…

Q: lack spot fungus is known to attack roses in humid climates. Initially, small black spots appear on…

A: A particular fungus disease that affects roses is called the black spot. The fungus appears as black…

Q: Succulent plants from arid regions generally have waxy surface coatings. Suggest why such a coating…

A: Succulent plants are the plants with parts that are thickened, fleshy, and engorged, usually to…

Q: Indicate the leaf modification and the specialized functions of the plants in the table below:…

A: Plants Leaf modification Specialized  functions Allium cepa (Onion) A bulb's fleshy leaves Used as…

Q: What are the four phases of growth for an epidemic? Show these phases on a diagram. (Plant…

A: The study of infection in plant populations is known as plant disease epidemiology. Plant illnesses…

Q: Which of the following plant pathogens have had a large impact on civilization over the years?…

A: Plant pathogens are those that cause infections in plants .

Q: In Optimal condition , spores will germinate this means Select one : a . Vegetative cells will form…

A: Spores are minute, typically one-celled reproductive structures formed either by sexual or asexual…

Q: The uptake of phosphorus and nitrogen by plants is aided by ________ in terrestrial systems.…

A: Certain plant nutrients, such as nitrogen, promote the conversion of energy in plants, but…

Q: Which statement DOES NOT describe the microbes on plants? A. May form a biofilm on the surface. B.…

A: Answers :  Microbes on the plant can form biofilm these are basically formed to protect the microbes…

Q: Suppose you were a scientist living in the 1890s and were studying a disease of tobacco crops that…

A: Dmitry Iosifovich Ivanovsky, a Soviet biologist who initially studied many of the properties of the…

Q: What does Rhizobium get from its host legume? What does the legume get from its Rhizobium?

A: The two components that are mentioned in the query are a part of a symbiotic relationship in which…

Q: Agrobacterium tumefaciens carries a _______ that enters dicotyledonous (dicot) plant cells,…

A: It is required to identify the agent in Agrobacterium tumefaciens that enters dicotyledonous (dicot)…

Q: Movement of sugar within phloem from source to sink involves... Select all that apply.   Active…

A: Movement of sugar within phloem from source to sink involves:  Active transport Companion cell…

Q: The roots of most plants form a symbiotic association with soil fungi. Name the association and the…

A: Plants are autotrophs. They are called so because they are not dependent on other organisms and can…

Q: Indoor plants have poor arbuscular mycorrhizal colonization as compare to plants grown in open area.…

A: The cortical cells of the roots of the plant are penetrated by a type of symbiotic fungus that is…

Q: you have isolated a Bacillus species and would like to test its plant growth promoting abilities.…

A: Bacillus is a genus of bacteria which includes gram-positive, spore forming, rod shaped aerobic or…

Q: 49. Phosphorus enters the biosphere through the process of ____________ which produces a…

A: Phosphorus is an essential chemical for both plants and animals. It is an essential component of DNA…

Q: fungal pathogen is detected trying to enter a plant cell, the cell may make a ___________ to try to…

A: An organism causing the disease to its host is known as the pathogen. The pathogen may comprise…

Q: Endomycorrhiza of forest trees contributes to the efficient nutrient cycling in tropical forest…

A: Endo mycorrhizae refer to the type of close relationship between a plant and root fungi in which the…

Q: Which of the following is an example of vegetative reproduction? a.)E. coli bacteria quickly…

A: Ecoli can not reproduce sexually.  They exchange their genetic material using a pilus. Mossess…

Q: Why do cattle avoid browsing on calotropis plants?Explain.

A: Predation is a mode of negative interaction between two organism in an ecosystem. Here one of the…

Q: It refer to the structures of the pathogen that are found associated with the infected plant (i,e.,…

A: The visible effects of diseases on plants are called symptoms and any detectable changes in color,…

Q: Total root parasite

A: We all known plants made their own food from raw inorganic material such as sunlight, carbon…

Q: Answer the following question: Why is the endosperm being digested? Is Capsella a monocot or a…

A: The seeds of the majority of angiosperms have endosperm. In dicotyledons, fleshy cotyledons take…

Q: How can insects make plants more susceptible to pathogens?

A: Epidermis is the outermost layer of the stem that acts as a protection to the plant. Beneath the…

Q: Mycorrhizae are often found associated with the roots of vascular plants, the best description of…

A: Fungi are heterotropic organisms, and have to absorb their food. Fungi also have the ability to…

Q: You are a farmer and have decided to inoculate your field with mycorrhizal fungi this growing…

A: A mutually benefited symbiotic relationship among the roots of plants and the fungi is referred to…

Q: How much of world food production is lost to diseases every year? What areas of the world suffers…

A: Plants and animals are among the two major legs of agricultural practices. Agriculture is important…

Q: Black spot fungus is a disease that is known to attack roses in humid climates. At first, small…

A: The black spot is a type of fungal disease that affects roses. The fungus develops as black spots on…

Q: What is the effect of the plant pathogen to the infected or diseased plant?

A: The plants are formed of roots, stem, leaves, fruits and flowers. The conduction system in plants is…

Q: Discuss, the adaptations that downy mildew (plant) has evolved to invade and manipulate the hosts…

A: Downy mildew  Is a fungal infection. Causative agent : phylum Oomycota    Environmental condition…

Q: Through mycorrhization, a plant obtains important nutrients such as ________. a. phosphorus, zinc,…

A: Mycorrhizae is a symbiosis between a fungus and the roots of a vascular plant. Mycorrhizas are…

Q: How do plants benefit from symbiotic associations with bacteria? With fungi?

A: Introduction: Biofertilizers are organisms that enrich the nutrient quality of soil. The main…

Q: Plant roots receive all of the following from the symbiotic association with fungi except: O…

A: It is the symbiotic association between plant roots and fungi. Mycorrhiza is beneficial to plants by…

Soil Ecosystem

Soil provides a habitat or living environment for a large number of different species of organisms as well as plants. It provides all the essential nutrients and minerals for plants to grow. All these together form the soil ecosystem.